mcsat: hints for reals #449

Job	Run time
ubuntu-latest\|debug\|--enable-mcsat\|CC=gcc CXX=g++	8m 49s
ubuntu-latest\|debug\|--enable-mcsat\|CC=clang CXX=clang++	8m 48s
ubuntu-latest\|debug\|--enable-thread-safety\|CC=gcc CXX=g++	3m 59s
ubuntu-latest\|debug\|--enable-thread-safety\|CC=clang CXX=clang++	4m 19s
ubuntu-latest\|release\|--enable-mcsat\|CC=gcc CXX=g++	5m 30s
ubuntu-latest\|release\|--enable-mcsat\|CC=clang CXX=clang++	5m 35s
ubuntu-latest\|release\|--enable-thread-safety\|CC=gcc CXX=g++	2m 33s
ubuntu-latest\|release\|--enable-thread-safety\|CC=clang CXX=clang++	2m 47s
ubuntu-latest\|gcov\|--enable-mcsat\|CC=gcc CXX=g++	8m 24s
ubuntu-latest\|debug\|--enable-thread-safety --enable-mcsat\|CC=gcc CXX=g++	8m 22s
	59m 6s

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